/**
 * @Author quan
 * @Description 底盘类
 * @Date 2023/7/12 11:43
 */
public class Bottom {
    private Tire tire;
    public Bottom(Tire tire){
        this.tire = tire;
        tire.init();
    }
    public void init() {
        System.out.println("bottom init.....");
    }
}
